Tube-machine.



T. E. RAPFBL,

TUBE MACHINE; APPLICATION FILED MAY4,1912.

Patented m 1%,1914.

Z SHEETS-SHEET 1.

Patented July 14,1914.

2 $HEETS-SHEBT 2.

mw asmmm 7 1 mrM ww M. 1 Q .m g

. I Jnwen $01" fliiarvwyk T. E. RAFFEL. TUBE MACHINE. APPLIOATION FILED 1mm, 1912.

, of the mandrel upon which it is made, as

GE I l 194W "iii,

nssiuucn ro earns woainnu "irracnfi ns TUBE-MACELWXE I specification of? letters l'atent.

Patented July 14L, rain Application filed Elay i1, 191%. enial 1V 0. 895;279.

To all whom it may concern Be it known that I, Tonnes E. a citizen of the United States, and a resident of the city, county, and State of New York, have invented certain new and useful linprovements in Tubc lllachine s, of which the following is a full, clear, and exact specifica tion. a

lily inventionrelates to a machine, employing one or more suitably supported prcsser belts, which is adapted to wind. a plurality of strips of paper spirally around a mandrel, and unite them to form a continuous tube. v I The object of this invention is to increase the eificienoy and capacity of a machine of the type mentioned, by providing means whereby it tpay be readily adjusted for the manufacture oftubes of various diameters andthickncsses; lhe diameter of the tube to be formed is dependent upon the diameter well. as the width of the strips forming" it. In order, therefore, that my improved machine nfay be operated with mandrels of dificrcnt diameters, I provide means for supporting and holding the mandrel, which means are readily adjusted to the size of theparticular mandrel used, When the mandrel is changed for one of a dillcrent size,- the distance between the two bclt-carrying pulleys must be altered to slach'cn or tighten ,the belt so as to accommodate it to the increased or decreased diameter of the mandrel, as

the case maybe. lleretofore this has been accom'ilished b havin one of the ulle s -movable and adjusting its position with respect to its companion fixed pulley; cop

sequently, when mandrels of' increased diameter are employed, the movable pulley is movedtoward the mandrel, thereby shifting the position of contact between the belt and the mandrel closer to the pulley. This action decreasesthe eliiciency of the belt in performing its function of feeding and pressing the strips and limits the capacity of the machine to operation with mandrels of a comparatively narrow range of dillerences in sizes.-

In my machine, I obviate the disadvantages just mentioned by having both of the belt carrying pulleys movable and providing means whereby they may be simultaneously moved toward and away from each other. In this manner am. enabledv to maintain the tension on. the belt'in the center thereof, 7

irrespective of the diameter of the particular mandrel used in connection therewith, a A further advantage of my improv striictlon consists in having each of t pieces carrying the belts Hl4f"'ll)l?(l on e, separate carriage which'is arr-a, nod for independent longitudinal movemedt on this bed of the machine. By moving th carriages, the presser belts carried thereon may be readily shifted on the bed of the machine to any desired position for the manfucture of one of the belts may be located atone end of the bed close to the mandrel. support, whilethe other belt may be located at the extreme opposite end thereof, which adjustment arther. of strips on to the mandrel in the space between the two belts so as to permit of the construction of a tube of any desired thickness. 1

having two spaced'ways (2) upon which are mounted, for longitudinal movement, the carriages (3). At oneend of the bed. is mounted astandard comprising two upright arms l) towhich are securely fastened the chucks @(5), located in parallel vertical planes and having their centers in line with each other, The chucks are provided with adjustable jaws (6) which are adapted to be opened or closed by turning the face plate of the chuck so as to accommodate the said jaws to the size of the particular mandrel used. A mandrel ('Z), is firmly held in the jaws of the'two chucks and extends beyond them lengthwise of the bed of the machine and substantially parallel to the center line thereof. By reason of this construction the mandrel will be securely and rigidly supported in the machine a ad the machine'vvill mandrels of a great variety of sizes.

, A power shaft (8) having a power pulley lords ample room for feeding a large num-' I attain the objectsof my invention by tubes of various thicknesses. For example,

(l) represents the bed of the machinelit? be adapted to receive and be operable with (9) at one end thereof supported in suitsable hearings (10) and extends longitudincil and centrally through the interior of the ed(l). The bevel goers Eli) are keyed inn slot on the shaft (8) so that they msy slide lengthwise. on the shaft and are provided with grooves (12) in. which are engagedthe yoke pieces (13) rigidly fastened to the carriages (3) and dependent there from.

Alonso piece (14) extending crosswise of the bed of the machine ismounted on each carriage (3) so as to swing freely around the spindles (15) as a. center. The lower ends of the spindles carry the bevel gears (16) which mesh with the gears (11) and the upper ends carry the bevel gears (17) meshing with the gears (18) rigidly secured to the shafts (19). v

it each end of the hose pieces (14 carried it slidable supporting member 20) rovided with two horizontal iii-ins 21) etween which is carried it pulley (22) hnving a verticnl'shnft (23) journcled. in said arms and extending downward]. through the lower one. The lower cndso the shafts (23) carry the bevel gears (24) in -mesh with the bevel gears (25) which are keyed to slide lengthwise (with their res ective supporting members) on the shafts 19).

Each pair of pulleys (22).carries e belt (26) which is arranged with one run thereof wound around the msndrel fl). Power is constantly being transmitted to the pollc'ys so as to turn the belts by means of the power shaft (8), secondary shafts (l9) and their intermeshing gears.

The slidable'niembers (20) are provided with internally threaded sleeves (27)projecting' therefrom, *i/hich sleeves Work on the threads oi the right and left screws (28). The latter are supported insuitable bearings (29) end irev furnished with hone dle levers (30) wherein the screws may he turned so as to'simu toneously move the supporting members (20) toward or {may from esch other on their respective hose pieces (31) represents a suitable device of any -Well Mon n type for adjusting the angular relation of the rise pieces (14:) and the belts carried. thereby, with the mandrel.

The two base pieces are connected to gether by an adjustable link (32) so that while each separste base piece may be independently moved lengthwise on the bed, they may beerranged to swing together.

From the foregoing description it will be apparent that the verious a justments oi the ports of-the machine may be effected without interfering with the continuous transmission of power to the belt carrying I pulleys.

The operation understood by those skilled in the nrt, and it is believed, therefore, it is unnecessnry for the purpose oi this specification, to give c. detailed. description in the operw tion thereof.

What I claim is:

1. In a tube machine, in combination with a mandrel; a bed; a mandrel support cerried on said bed, adapted for adjustment to inandrels of different diameters; two preseer belts; two separate -hcse members, each mounted on the bed for independent movement lengthwise thereot"; e pair of pulleys for each belt carried on each base member, and arranged for edinsti'nent eq y toward and away from each other thereon, and means for transmitting motion to both belts.

2. In the combination. of c mandrel, o bed, n cerria e nioveble thereon, n bass piece centrally pivoted on the carriage, e belt, pollcvs the type of machine to which my invention relates will he telly a machine for melting spit-cl tubes,

therefor, sup orts for the pulleys slidchlymounted on t e loose iece, means for simulteneonsly ed'nsting the distance tween extending them, a, driving shaft nth snpportc to very through the-lied, aind operetive connections for trensmittin motion from p the combination of a mandrel, e lied, two

carriages movable thereon, e piece centrnlly pivoted on each carriage, t ivo belts, pulleys for said belts,,snppcrts for the nlleys slidably mounted on ecch of the 7 see pieces, at driving shntt extending centrally through the bed, operative connections" tor transmitting motion from the driving elicit tothe pulleys, and (means for swingingthe base pieces to adjust in respect to the mandrel.

In testimony 3 whereot l have hereunto the angle of the belts lll signed my name in the presence of two suhscribing witnesses, TGBIAS E. Witnesses: I A, Germs, Issac A. SAMoELs, 

